16.0 g sample of iron was heated from 2.00°C to 43.0 °C. It absorbed 193.0 J of energy as heat. What is the specific heat of this piece of iron?
0.294 J/gºC
w
849 J/gºC
0.268 J/g °C
0 -0.294 J/g°C

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.

Find the missing probability in the table below a.0.10 b.40 c.0.80 d. 0.20